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A unifying framework for specifying DEVS parallel and distributed simulation architectures

机译:用于指定DEVS并行和分布式仿真架构的统一框架

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DEVS (Discrete Event System Specification) is an approach in the area of modeling and simulation that provides a means of specifying dynamic systems. A variety of DEVS tools have been implemented without a standard developmental guideline across the board, consequently revealing a lack of central frameworks for integrating heterogeneous DEVS simulators. When implementing a DEVS Simulator there are salient concepts that are intuitively defined, such as how events should be processed, what simulation architecture to use, what existing procedures (set of rules/algorithm) can be used, what should be the organizational architecture and so on. The aim of this paper is to propose a theoretical guide in building a DEVS distributed simulation as well as a formalization of underlying concepts to allow symbolic reasoning and automated code synthesis. From a review of existing implementation approaches, we propose a taxonomy of the identified concepts, including some formal definitions as they constitute the essential building blocks of performing Parallel Discrete-Event Simulation by utilizing DEVS. The contribution of this taxonomy and its impact as a unifying framework is that it provides a more systematic understanding of the process of constructing a DEVS simulator. Also, it offers an abstract way for integrating different and heterogeneous DEVS implementation strategies and thus can serve as a contribution to the on-going DEVS standardization efforts.
机译:DEVS(离散事件系统规范)是建模和仿真领域中的一种方法,它提供了指定动态系统的方法。在没有全面的标准开发指南的情况下,已经实现了多种DEVS工具,因此显示出缺乏集成异构DEVS模拟器的中央框架。实施DEVS Simulator时,会直观地定义一些显着的概念,例如应如何处理事件,使用哪种模拟体系结构,可以使用哪些现有过程(规则集/算法集),组织架构应该是什么等。上。本文的目的是为构建DEVS分布式仿真以及基础概念的形式化提供理论指导,以允许符号推理和自动代码合成。通过对现有实施方法的回顾,我们提出了已识别概念的分类法,包括一些正式定义,因为它们构成了利用DEVS执行并行离散事件模拟的基本组成部分。该分类法的贡献及其作为统一框架的影响在于,它提供了对DEVS模拟器构建过程的更系统的理解。而且,它提供了一种抽象的方法来集成不同的异构DEVS实现策略,因此可以为正在进行的DEVS标准化工作做出贡献。

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